#66CE42#66CE42

#66CE42 is a light, highly saturated green. Relative luminance 0.474; OKLCH L 76.1% C 0.201 H 138.8°. Best body text is #000000 at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#66CE42
RGB	rgb(102, 206, 66)
HSL	hsl(105, 59%, 53%)
HSV	hsv(105, 68%, 81%)
CMYK	cmyk(50.5%, 0%, 68%, 19.2%)
CIE-LAB	lab(74.42, -54.94, 57.94)
CIE-LCH	lch(74.42, 79.85, 133.48°)
OKLab	oklab(76.11% -0.1513 0.1325)
OKLCH	oklch(76.11% 0.201 138.8)
XYZ	xyz(28.5331, 47.3586, 12.7908)
Luminance	0.4736 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CE42 #AA42CE

analogous

#ACCE42 #66CE42 #42CE64

triadic

#66CE42 #4266CE #CE4266

tetradic

#66CE42 #42ACCE #AA42CE #CE6442

square

#66CE42 #42ACCE #AA42CE #CE6442

split-complementary

#66CE42 #6442CE #CE42AC

monochromatic

#35771F #4BA72B #66CE42 #8DDB73 #B5E7A3

Accessibility & contrast

On white

2.01

#66CE42 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.47

#66CE42 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CE42

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CE42	#FFFFFF	#000000	##000000
##66CE42	1.00	2.01	10.47	10.47
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.47	21.00	1.00	1.00
##000000	10.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BD2E

Deuteranopia (green-blind)

#C6B44F

Tritanopia (blue-blind)

#5DC7B2

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #66ce42;
/* rgb */ color: rgb(102, 206, 66);
/* oklch */ color: oklch(76.1% 0.201 138.8);

Tailwind

colors: {
  custom: {
    50: '#9ade7d',
    500: '#66ce42',
    950: '#000000',
  },
}

SCSS

$custom: #66ce42;
$custom-light: #9ade7d;
$custom-dark: #000000;

JSON

{
  "hex": "#66ce42",
  "rgb": {
    "r": 102,
    "g": 206,
    "b": 66
  },
  "hsl": {
    "h": 104.571,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.76113,
    "c": 0.20111,
    "h": 138.8
  },
  "luminance": 0.47361
}

Semantic roles & 50–950 ramp

primary

#66CE42

secondary

#C598D4

accent

#46E2BA

background

#FAFDF7

surface

#F3FBEE

border

#CDD4C9

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66CE42

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →